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128 lines
4.3 KiB
128 lines
4.3 KiB
/* This file is part of the KDE libraries
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* Copyright (c) 2003 thierry lorthiois (lorthioist@wanadoo.fr)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _KOWMFPAINT_H_
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#define _KOWMFPAINT_H_
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#include <tqpainter.h>
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#include "kowmfread.h"
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#include <../kofficecore/koffice_export.h>
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/**
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* KoWmfPaint inherits the abstract class KoWmfRead
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* and redirects WMF actions onto a TQPaintDevice.
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* Uses relative or absolute coordinate.
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*
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* how to use:
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* <pre>
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* TQPixmap pix( 100, 100 );
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* KoWmfPaint wmf;
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* if ( wmf.load( "/home/test.wmf" ) ) {
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* wmf.play( pix );
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* }
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* paint.drawPixmap( 0, 0, pix );
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* </pre>
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*
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*/
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class KOWMF_EXPORT KoWmfPaint : public KoWmfRead
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{
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public:
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KoWmfPaint();
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~KoWmfPaint() { }
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/**
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* play WMF file on a TQPaintDevice. Return true on success.
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* Use absolute or relative coordinate :
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* absolute coord. reset the world transfomation Matrix (by default)
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* relative coord. use the existing world transfomation Matrix
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*/
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bool play( TQPaintDevice& target, bool relativeCoord=false );
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private:
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// -------------------------------------------------------------------------
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// A virtual TQPainter
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bool begin();
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bool end();
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void save();
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void restore();
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// Drawing tools
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void setFont( const TQFont& font );
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// the pen : the width of the pen is in logical coordinate
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void setPen( const TQPen& pen );
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const TQPen& pen() const;
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void setBrush( const TQBrush& brush );
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// Drawing attributes/modes
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void setBackgroundColor( const TQColor& c );
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void setBackgroundMode( TQt::BGMode mode );
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void setRasterOp( TQt::RasterOp op );
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/**
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* Change logical Coordinate
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* some wmf files call those functions several times in the middle of a drawing
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* others wmf files doesn't call setWindow* at all
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* negative width and height are possible
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*/
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void setWindowOrg( int left, int top );
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void setWindowExt( int width, int height );
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// Clipping
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// the 'CoordinateMode' is ommitted : always CoordPainter in wmf
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// setClipRegion() is often used with save() and restore() => implement all or none
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void setClipRegion( const TQRegion &rec );
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TQRegion clipRegion();
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// Graphics drawing functions
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void moveTo( int x, int y );
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void lineTo( int x, int y );
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void drawRect( int x, int y, int w, int h );
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void drawRoundRect( int x, int y, int w, int h, int = 25, int = 25 );
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void drawEllipse( int x, int y, int w, int h );
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void drawArc( int x, int y, int w, int h, int a, int alen );
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void drawPie( int x, int y, int w, int h, int a, int alen );
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void drawChord( int x, int y, int w, int h, int a, int alen );
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void drawPolyline( const TQPointArray& pa );
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void drawPolygon( const TQPointArray& pa, bool winding=FALSE );
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/**
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* drawPolyPolygon draw the XOR of a list of polygons
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* listPa : list of polygons
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*/
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void drawPolyPolygon( TQPtrList<TQPointArray>& listPa, bool winding=FALSE );
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void drawImage( int x, int y, const TQImage &, int sx = 0, int sy = 0, int sw = -1, int sh = -1 );
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// Text drawing functions
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// rotation = the degrees of rotation in counterclockwise
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// not yet implemented in KWinMetaFile
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void drawText( int x, int y, int w, int h, int flags, const TQString &s, double rotation );
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// matrix transformation : only used in some bitmap manipulation
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void setWorldMatrix( const TQWMatrix &, bool combine=FALSE );
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private:
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TQPainter mPainter;
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TQPaintDevice *mTarget;
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bool mRelativeCoord;
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// memorisation of WMF matrix transformation (in relative coordinate)
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TQWMatrix mInternalWorldMatrix;
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};
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#endif
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